CN213757445U

CN213757445U - Chair convenient to adjust waist and hold in palm height

Info

Publication number: CN213757445U
Application number: CN202023101265.0U
Authority: CN
Inventors: 周亮
Original assignee: Zhejiang Hengyu Plastic Technology Co ltd
Current assignee: Zhejiang Hengyu Plastic Technology Co ltd
Priority date: 2020-12-21
Filing date: 2020-12-21
Publication date: 2021-07-23
Anticipated expiration: 2030-12-21

Abstract

The utility model discloses a chair convenient for adjusting the height of a waist support, which comprises a chair back and a waist support, and further comprises an adjusting piece, wherein the waist support is arranged in a hollow way and comprises a waist support part and a fixed seat, the waist support part is matched and fixed with the fixed seat, the fixed seat is provided with a through hole and a plurality of clamping grooves distributed in an array way, the adjusting piece is positioned in the waist support and extends out of the waist support from the through hole to be connected with the chair back, the adjusting piece is provided with a clamping bulge, and the clamping bulge slides in the clamping grooves; the utility model discloses be convenient for adjust waist support, stable in structure, comfort are strong, possess certain elasticity.

Description

Chair convenient to adjust waist and hold in palm height

Technical Field

The utility model relates to a chair convenient to adjust waist and hold in palm height.

Background

The office chair is the indispensable office furniture of daily official working, and in the use, human back and back of the chair laminating, but can produce a clearance between human waist and the back of the chair for human comfort is relatively poor, so be equipped with the waist on the current back of the chair and hold in the palm, make in the use, form the support effect to human waist, play the effect of a comfort. However, in the actual use process, the position of the waist support is fixed, the height of the human body is different, the height of the waist support is fixed, and all people cannot be met, so that a chair capable of adjusting the height of the waist support is urgently needed.

Disclosure of Invention

The utility model mainly solves the technical problem of providing a chair convenient for adjusting the height of a waist support.

The utility model discloses the technical scheme who solves its technical problem and adopt is: the utility model provides a chair convenient to adjust waist and hold in palm height, includes the back of the chair and the waist holds in the palm, wherein, still includes the regulating part, and the waist holds in the palm and sets up for cavity, and it includes waist support portion and fixing base, and waist support portion is fixed with the fixing base cooperation, is equipped with the draw-in groove that through-hole and a plurality of are array distribution on the fixing base, and the regulating part is located the waist and holds in the palm and stretch out to the waist from the through-hole and hold in the palm outer and be connected with the back of the chair, is equipped with the joint arch on the regulating part, and the joint arch slides on the draw-in groove.

Adopt the waist to hold in the palm and set up for cavity for the comfort of waist support portion is better, adopts the protruding cooperation with the draw-in groove of joint moreover, thereby realizes the altitude mixture control effect between waist support and the back of the chair, thereby realizes the effect of the height-adjusting of being convenient for, convenient operation, and its holistic comfort is better moreover. The lumbar support portion may be made of a flexible material, such as rubber, foam, cotton, or the like.

Wherein, the draw-in groove is two and sets up, and establishes on the both sides of through-hole separately.

The clamping groove is provided with two rows, so that the matching between the clamping protrusion and the clamping groove is more stable, and the axial adjustment effect is facilitated.

Wherein, the fixing base is provided with a boss, and the clamping groove is positioned on the boss.

Through the setting of boss for the degree of depth of draw-in groove accord with more with the bellied cooperation of joint, thereby guarantees the difficult fracture that takes place of draw-in groove in the use.

Wherein, the fixing seat is provided with a connecting column, and the waist support part is connected with the fixing seat through the connecting column.

Through the setting of connecting post for the cooperation between waist support portion and the fixing base is more firm, and is also more convenient in assembling process moreover.

Wherein, the regulating part includes slider and connecting piece, and connecting piece one end is connected with the back of the chair, and the other end is connected with the slider, and the joint is protruding to be located the slider.

The connecting effect is formed through the connecting piece, so that the adjusting piece is more convenient to assemble.

Wherein, the sliding part is provided with a hollow groove.

Through the setting of fretwork groove for the protruding certain elastic effect that forms of joint on the slider prevents at the slip in-process, because hard and hard friction influence the slip effect of reality, can play partial buffering effect through the fretwork groove.

The connecting piece comprises a fixing part, an elastic bending part and a connecting part, wherein the fixing part is connected with the connecting part through the elastic bending part.

Through the setting of the elastic bending part, the waist support can integrally generate certain deformation capacity, and the whole comfortable sensation is further improved in the use process.

Wherein, the elastic bending part is arranged in a J shape.

Adopt the J type setting for the elasticity effect of elasticity portion of bending is better, and the user can carry out the adjustment of waist support position according to the in-service use condition, makes to reach comfortable effect.

Wherein, the chair back is provided with a fixing groove, and the fixing part is embedded into the fixing groove for fixing.

Through the setting of fixed slot for the fixed effect between fixed part and the back of the chair is better.

Wherein, be equipped with first fixed column in the fixed slot, be equipped with the second fixed column on the fixed part, the second fixed column cover is established on first fixed column.

The second fixing column is directly sleeved on the first fixing column, and the overall fixing effect is further improved.

Drawings

Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;

fig. 2 is a sectional view of embodiment 1 of the present invention;

fig. 3 is a partial structural schematic view of embodiment 1 of the present invention;

fig. 4 is a schematic structural view of an adjusting member in embodiment 1 of the present invention;

fig. 5 is a side view of an adjusting member according to embodiment 1 of the present invention;

fig. 6 is a schematic structural view of a slider in embodiment 1 of the present invention.

Detailed Description

Example 1:

referring to fig. 1-6, a chair with a height adjustable waist support comprises a chair back 1, a waist support 2 and an adjusting member 3.

The back of the chair 1 is connected fixedly with seat support 4, forms fixed effect, and the connection structure between back of the chair 1 and the seat support 4 is prior art here, and this place does not add the unnecessary redundant description. Be equipped with spine portion 11 on the back of the chair 1, spine portion 11 is located the center of the back of the chair 1, is equipped with fixed slot 12 on spine portion 11, is equipped with first fixed column 121 in the fixed slot 12, and the quantity of first fixed column 121 here is two, and first fixed column 121 is used for being connected the cooperation with second fixed column 631. Here, the structure that the seat back 1 can be sleeved with a fixed mesh cover is also prior art, and the description is not provided in this embodiment.

Waist holds in the palm 2 and includes waist support portion 21 and fixing base 22, and waist support portion 21 is detachable the connection with fixing base 22, and the concrete structure of this department does, is equipped with a plurality of spliced pole 221 on the fixing base 22, and waist support portion 21 is connected fixedly through spliced pole 221 and fixing base 22 to realize fixed effect. After the waist support part 21 is matched with the fixed seat 22, the whole inside of the waist support 2 is of a hollow structure. The lumbar support portion 21 is made of a flexible material, such as rubber, foam, or cotton. Further, the waist support part 21 is arranged in a cambered surface mode, so that the waist support part can be better attached to the waist of a human body, and human-computer interaction is better met.

Be equipped with through-hole 222 and boss 223 on fixing base 22, through-hole 222 runs through whole fixing base 22, including running through boss 223, and through-hole 222 is located the central point of fixed column and puts, be equipped with the draw-in groove 224 that a plurality of is array distribution on boss 223, here draw-in groove 224 specifically is two settings, two draw-in grooves 224 divide and establish on the both sides of through-hole 222, the setting of boss 223 is adopted here, make fixing base 22's intensity improve, make the degree of depth of draw-in groove 224 accord with the protruding 51 cooperation of joint more, thereby guarantee the difficult fracture that takes place of draw-in groove 224 in the use. It should be noted here that the fixing base 22 is similar to the lumbar support portion 21 in overall structure and also has an arc shape.

Regulating part 3 includes slider 5 and connecting piece 6, and slider 5 is located the inside that the waist held in the palm 2, is equipped with the joint arch 51 that corresponds with draw-in groove 224 on slider 5, and the protruding 51 quantity of joint here is four, and four joint archs 51 divide and establish on four corners of slider 5, and for the symmetry setting. Further, be equipped with a plurality of fretwork groove 52 on slider 5, fretwork groove 52 forms certain elastic effect with the part that joint arch 51 is located and slider 5 is whole between, prevents at the slip in-process, because hard and hard friction influences the slip effect of reality, can play partial buffering effect through fretwork groove 52. The sliding part 5 is here bolted to the connecting part 6.

The connecting element 6 comprises a fixing part 63, an elastic bending part 62 and a connecting part 61, wherein the fixing part 63 is connected with the connecting part 61 through the elastic bending part 62, and the connecting part 61 is used for connecting with the sliding element 5, and can be connected through a bolt. Elasticity portion of bending 62 specifically is the J style of calligraphy, and its one end that is located the below is connected with fixed part 63, and it is located top one end and is connected with connecting portion 61 to realize the elasticity effect, make the elasticity effect of elasticity portion of bending 62 better, the user can carry out the adjustment that the waist held in the palm 2 positions according to the in-service use condition, make to reach comfortable effect. Be equipped with second fixed column 631 on fixed part 63, and second fixed column 631 cover is established on first fixed column 121, has realized the fixed effect of fixed part 63, and here when both cooperations are fixed, fixed part 63 is embedded into in fixed slot 12, realizes fixed effect, and further, in order to improve the fixed effect between the two, can fasten through the bolt here.

Adopt the waist to hold in the palm 2 and set up for cavity for the comfort of waist support portion 21 is better, adopts the protruding 51 and draw-in groove 224's of joint cooperation moreover, thereby realizes the altitude mixture control effect between waist support 2 and the back of the chair 1, thereby realizes the effect of the height-adjusting of being convenient for, convenient operation, its holistic comfort is better moreover. And adopt elastic connection portion 61's setting for holistic comfort is stronger, and better realization waist holds in palm the elastic support effect of 2.

Claims

1. The utility model provides a chair convenient to adjust waist and hold in palm height, includes the back of the chair and the waist holds in the palm, its characterized in that: still include the regulating part, the waist holds in the palm and is the cavity setting, and it includes waist support portion and fixing base, and waist support portion is fixed with the fixing base cooperation, is equipped with through-hole and a plurality of draw-in groove that is array distribution on the fixing base, and the regulating part is located the waist and holds in the palm and stretch out to the waist from the through-hole and hold in the palm outer being connected with the back of the chair, and it is protruding to be equipped with the joint on the regulating part, and the joint is protruding to slide on in the draw-in groove.

2. A chair with adjustable lumbar support height as claimed in claim 1, wherein: the clamping grooves are arranged in two rows and are respectively arranged on two sides of the through hole.

3. A chair with a waist support height convenient to adjust as claimed in claim 2, wherein: the fixing seat is provided with a boss, and the clamping groove is positioned on the boss.

4. A chair with adjustable lumbar support height as claimed in claim 1, wherein: the fixing seat is provided with a connecting column, and the waist support part is connected with the fixing seat through the connecting column.

5. A chair with adjustable lumbar support height as claimed in claim 1, wherein: the adjusting piece comprises a sliding piece and a connecting piece, one end of the connecting piece is connected with the chair back, the other end of the connecting piece is connected with the sliding piece, and the clamping protrusion is located on the sliding piece.

6. A chair with adjustable waist support height as claimed in claim 5, wherein: the sliding part is provided with a hollow groove.

7. A chair with adjustable waist support height as claimed in claim 5, wherein: the connecting piece comprises a fixing part, an elastic bending part and a connecting part, wherein the fixing part is connected with the connecting part through the elastic bending part.

8. A chair with a waist support height convenient to adjust as claimed in claim 7, wherein: the elastic bending part is arranged in a J shape.

9. A chair with adjustable waist support height as claimed in claim 5, wherein: the chair back is provided with a fixing groove, and the fixing part is embedded into the fixing groove for fixing.

10. A chair with adjustable lumbar support height as claimed in claim 9, wherein: a first fixing column is arranged in the fixing groove, a second fixing column is arranged on the fixing portion, and the second fixing column is sleeved on the first fixing column.